package com.qiu.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

//
//import javax.servlet.*;
//import javax.servlet.annotation.WebFilter;
//import javax.servlet.http.HttpServletResponse;
//import java.io.IOException;

//@WebFilter(filterName = "CorsFilter ")
//@Configuration
//public class WebConfig implements Filter {
//    @Override
//    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
//        HttpServletResponse response = (HttpServletResponse) res;
//        response.setHeader("Access-Control-Allow-Origin", "*");
//        response.setHeader("Access-Control-Allow-Credentials", "true");
//        response.setHeader("Access-Control-Allow-Methods", "POST, GET, PATCH, DELETE, PUT");
//        response.setHeader("Access-Control-Max-Age", "3600");
//        response.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
//        chain.doFilter(req, res);
//    }
//}

@Configuration
public class WebConfig implements WebMvcConfigurer {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowedMethods("GET", "POST", "DELETE")
                .allowedHeaders("*")
                .exposedHeaders("Access-Control-Allow-Origin")
                .allowCredentials(true);

    }
}

